Unit Circle (version B)

A) r
B) √3/2
C) π
D) √2/2
E) 1

A) x
B) 1
C) y
D) r
E) theta

A) 360
B) 180
C) 2π
D) π
E) 1

A) x
B) theta
C) r
D) 1
E) y

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) Neither
B) true
C) false
D) Can't be determined

A) -infinity to +infinity
B) -1 to 1
C) 0 to 360
D) 0 to 2π

A) both 0 and 180 degrees
B) 90 degrees
C) neither 90 nor 270 degrees
D) both 90 and 270 degrees
E) 270 degrees

A) 0 degrees
B) 180 degrees
C) 270 degrees
D) 90 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) π/2
B) π
C) -π/2
D) -π
E) 2π

A) 1
B) 0
C) 1/2
D) √2/2
E) -√2/2

A) 45
B) √2/2
C) 1/2
D) -√2/2
E) √3/2

A) -390 degrees
B) -330 degrees
C) -30 degrees
D) 330 degrees

A) -1
B) 1
C) 1/2
D) √3/2
E) 0

A) 2π radians
B) 3π radians
C) -π radians
D) 1/2 radians
E) 3π/2 radians

A) 225 degrees
B) 45 degrees
C) 135 degrees
D) 3π/2 radians
E) 315 degrees

A) IV
B) I
C) III
D) II
E) never

A) π/2
B) π
C) 3π
D) 3π/2
E) 2π

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) True
B) Can't be determined
C) False
D) Neither

A) 90 degrees
B) π/2 radians
C) 2π radians
D) 3π/2 radians

20. The cosine function is positive and the sine function is negative in quadrant

A) IV
B) I
C) III
D) III

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